Studies show that a high-protein, low-sugar, no-additive diet combined with supplements like fish oil and zinc can help keep ADHD symptoms in check. How to get smart about nutrition.

Diet and nutrition can make a significant difference in the lives of children and adults who have been diagnosed with attention deficit disorder (ADHD).

I have used nutritional interventions for hundreds of patients with ADHD during the past 24 years. In many cases, dietary changes have not only improved the symptoms of hyperactivity, concentration, and impulsivity, but also have calmed oppositional behavior.

Many adults and parents of ADHD children are eager to try foods and supplements to help manage symptoms, but they often don’t know where to start. Below are several dietary changes — food to add to your or your child’s diet, things to eliminate — that, I have found, deliver the most symptom relief.